Extremely fast, professional results simplify routine phosphate testing. Salifert Phosphate Test Kit offers highly reliable and informative phosphate measurement crucial for timely corrections. Even in low concentrations, phosphate can compromise water quality as well as the health of aquarium inhabitants. The Salifert Phosphate Test Kit detects phosphate-phosphor in two different ranges. The mid-range test is ideal for routine testing and low range is designed for scrupulous monitoring of reef aquariums. 60 tests. For use in marine, freshwater aquariums, and water garden ponds.

Then add 1 level scoop of PO4-2 reagent and swirl the contents gently for 30 seconds.

Place the open test vial on top of the white portion of the color chart. Compare the colors looking from the top. Read the corresponding phosphate content. An intermediate color corresponds to an intermediate phosphate content.

Higher Sensitivity:
If you require an even higher sensitivity, double the amount of water sample and reagents. The scale should then be divided by half.

Don't take the quality of your tap water for granted. If you draw your water from a well, nature may not be providing you the perfect balance. If you are using tap water from your municipal department, it likely includes minerals and additives.

Serious hobbyists know that the best way to measure the salinity and specific gravity of aquarium water is to use a refractometer. These precision optical instruments are incredibly accurate even at very low salt levels, and are equally easy to use.

Testing your water parameters is an important method of foreseeing problems in your aquatic ecosystem before they result in catastrophe. Luckily, tools that were once only accessible (and affordable) to advanced hobbyists have since become simpler.

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Salifert Phosphate Test Kit 60 Tests
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very nice quality
Let me start by saying the quality on this is better than the common, cheaper liquid test kits out there (you know the brand). I always suspected my tap water had phosphates in it; the more I would do water changes, the more the algae would seem to grow. Sure enough, my tap has about 1 ppm of phosphates (kinda high), but my tank tests close to zero (phosphate reducing media). The test is fairly easy to do, and the test Vial is plastic but actually really nice and wide with a secure cap. The color chart while not fantastic, served its purpose and the color match is pretty good (different degrees of white to blue). It was close enough for me to feel like I was not really guessing on the color. It's worth the extra money to get this test, however while Foster/Smith prices are VERY competitive, the MSRP price is still a bit high. Thanks docs!
January 18, 2014

Good Phoshate test kit
I like this Phosphate kit. It is easy to use and accurate. It is very important in a reef aquarium to have Phosphates as low as possible. If they are high, you wont have success keeping corals alive or colorful. This test takes about 3 minutes to perform. There are only just a couple of steps but it is worth checking. I use this at least once a week.
April 11, 2013